Guides and instructions

The tax file number (TFN) algorithm is a mathematical formula that tests the validity of numbers quoted as TFNs. Its use in software is recommended as it will minimise TFN errors and may reduce the need for contact between your organisation or clients and the ATO.
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Schedules and other documentation for eCommerce are provided below. Digital service providers should take care to note the currency dates of documents. The FY 2020-2021 Release on a page v0.3 is available in two versions, one with additional commentary and one without.
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On 1 January each year, Services Australia Protected Earnings Amount (PEA) is adjusted to allow for increases in the cost of living. The PEA is a set minimum amount that must be left after tax and child support is deducted from a person's wage.
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This paper provides a consolidation of responses provided to Digital Service Providers (DSPs) about the implementation of changes due to the retirement of AUSkey. AUSkey retired on 27 March 2020.
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The Mid-Year Economic and Fiscal Outlook (MYEFO) was released on 16 December 2020. A summary of the measures affecting digital service providers is provided on this page for use in developing software.
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This guide provides details and instructions on the product verification testing (PVT) process for the Single Touch Payroll service.
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The Mid-Year Economic and Fiscal Outlook (MYEFO) was released on 18 December 2017. A summary of the measures affecting digital service providers is provided on this page for use in developing software.
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The Budget 2019–20 was released on Tuesday 2 April 2019. The measures announced as part of the Budget 2019-20 are subject to receiving royal assent and are therefore not yet law.
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The Single Touch Payroll, Payroll reporting Business implementation guide (STP BIG) document contains the business rules and scenarios and will assist in understanding the business context surrounding the functionality of the design requirements.
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We are seeking your feedback on the updated Digital service provider (DSP) Operational Framework Requirements. The DSP Operational Framework (the Framework) addresses the shared risks presented by the growth of our digital services across the digital economy.
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